The 28-year-old, who joined the team in 2015, is connected to the Swiss investment company Longbow Finance which took over Sauber two years ago.
“We are delighted to announce that Marcus Ericsson will continue to be part of our team,” said Sauber on social media. “Marcus will be taking on the role of third driver and brand ambassador.”
The team described its 2019 driver line-up as a “dream team”. Antonio Giovinazzi was confirmed as its second race driver today following the earlier announcement that Kimi Raikkonen will join them next year.
Ericsson made his F1 debut with Caterham in 2014 before moving to Sauber the following year. He has already made more starts for Sauber as an independent team than any other driver: 75 of his 91 grand prix starts to date have been for the Swiss team.
He achieved the best result of his career to date, eighth place, on his debut for them in the 2015 Australian Grand Prix in Melbourne.
View the current list of 2019 F1 drivers and teams
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